# import copy
# dictionary={'卷心菜':'cabbage','午餐':['lunch','nooning']}
# dictionary1=dictionary
# dictionary2=dictionary.copy()
# dictionary3=copy.deepcopy(dictionary)
# dictionary['卷心菜']='pamphrey'
# dictionary['午餐'].remove('nooning')
# print('dictionary=',dictionary)
# print('dictionary1=',dictionary1)
# print('dictionary2=',dictionary2)
# print('dictionary3=',dictionary3)




dictionary={
    '卷心菜':'cabbage',
    '午餐':'linch',
    '机器人':'robot',
    '天空':'sky',
    '花':'flower'
}
print('中英文字典中所有中文词组及其对应的英文单词:')
for item in dictionary.items():
    print(item)
print('中英文字典中所有中文词组：')
for chinese in dictionary.keys():
    print(chinese,end=' ')
print('\n中英文字典中所有英文单词：')
for english in dictionary.values():
    print(english, end=' ')